What do “best by,” “use by” and “sell by” on food product labels really mean? — -- We’ve all seen the “best by,” “use by,” “enjoy by” and “sell by” on food labels, but what do they really mean?

At some point, you’ve probably reached for a tub of yogurt or cottage cheese, only to discover that it’s a few days past the “Best By” date. Cue the internal debate: Should I still go ahead and eat it ...